Re: automatic new-line after 80 columns

[Rodrigo Canellas]

Em Tuesday 17 February 2009 19:21:10 B. T. Raven escreveu:
> Rodrigo Canellas wrote:
> > Hi,
> > 
> > I really can not find how to set 'emacs' to add a new-line when the line 
> > reaches the 80th column. 
> > 
> > In 'ccmode', I set it fot the comments, but I would like to define for C++ 
> > code as well.
> > 
> > Can anyone help me?
> > 
> > Thanks a lot!
> > 
> > 
> > 
> 
> How does what you want differ from the behavior you see if you type this 
> in a buffer:
> 
> C-u 80 C-x f C-u 1 M-x auto-fill-mode
> 
> ??
> I think this is a minor mode that works with most programming languages.
> 
> Ed
> 

I created a file '/var/tmp/t.cpp'.
Then when I typed 'C-u 80 C-x f', 'emacs' said 'Fill column set to 80 (was 70)'
And when I typed 'C-u 1 M-x auto-fill-mode', it did not say anything.

I typed this:
#include <iostream>


void function_very_very_very_big_but_i_mean_really_big ( ) {
    {
        {
            {
                {
                    {
                        {
                            {
                                {
                                    {
                                        {
                                            {
                                                {
                                                    {
                                                        {
                                                            {
                                                                object_a = 
fc_abc( ) ;


Here I expected it would change to:

void function_very_very_very_big_but_i_mean_really_big ( ) {
    {
        {
            {
                {
                    {
                        {
                            {
                                {
                                    {
                                        {
                                            {
                                                {
                                                    {
                                                        {
                                                            {
                                                                object_a = 
                                                                      fc_abc( ) 
;



I mean, to respect  the limit of 80 bytes per line, 'emacs' should insert a 
new-line after the '='.

Any ideas?

Thanks!

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